/**
 * Copyright 2006-2015 handu.com
 * <p/>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.iepacj.pattern.strategy;

/**
 * 图书折扣策略
 */
public abstract class DiscountStrategy {

    private double price;

    private int copyies;

    public DiscountStrategy(double price, int copyies) {
        this.price = price;
        this.copyies = copyies;
    }

    public abstract double calcDiscount();

}
